In Moscow, there are mass arson attacks on cars. Colonels Gurov and Kryachko might not have gotten involved, but first a luxurious “Mercedes” of the well-known businessman Stavrogin burns down completely, and then, in the next burned-out cars, charred bodies begin to be found. The case is under the highest level of control, and the investigators understand that the result must be achieved at any cost. During the investigation, Gurov finds out that the super-expensive project “Diamond Acre” is somehow involved, in which the same Stavrogin plays no small role…